保险板块12月23日涨0.81%，新华保险领涨，主力资金净流出4.19亿元

Group 1 - The insurance sector increased by 0.81% on December 23, with Xinhua Insurance leading the gains [1] - The Shanghai Composite Index closed at 3919.98, up 0.07%, while the Shenzhen Component Index closed at 13368.99, up 0.27% [1] - A table detailing the individual stock performance within the insurance sector was provided [1] Group 2 - On the same day, the insurance sector experienced a net outflow of 419 million yuan from institutional investors, while retail investors contributed a net inflow of 156 million yuan [2] - The net inflow from speculative funds was 263 million yuan [2] - A table showing the fund flow for individual stocks in the insurance sector was included [2]